I am now able to walk to and from work and this really helps. I also struggle with these issues...I try to do one thing a week at least that I am hesitant to do---went to a museum exhibit last week and walked around town---went to an open mic music before that (I used to do that once a week)---take my camera out and roam around (the camera just makes me feel as if I have a "purpose", and I do love to look at things, and it seems to give me a kind of permission to be wherever I am)...money is low so I am not travelling now but that really helps (someplace unknown by/of me)---collected some cool bottles and stuff along the river by old factories...
Lucky for me, I have a grandson I see every week or two and I take him to the playground or downtown ---- all I have to do is watch and follow his 19mo. old lead...
But, I still spend a lot of time alone trying to take my own advice; we will all get "there"...won't we? I do have to force myself but once I am going, it is usually good, if not, well, it doesn't really matter whether I feel bad there or here on the couch. And I know it is better to do than not...(keep saying it...)